Table 2 Blood pressure and heart rate were compared between the two groups

HR(time/min)

S-ketamine group

(N = 48)

69.68 ± 4.52

66.72 ± 3.67

66.48 ± 3.44

73.91 ± 3.58

72.90 ± 2.30

75.58 ± 2.42

Control group

(N = 48)

70.68 ± 4.50

67.70 ± 3.65

67.48 ± 3.45

74.93 ± 3.60

73.10 ± 2.03

75.06 ± 2.49

P

0.27

0.18

0.15

0.17

0.65

0.29

MAP(mmHg)

S-ketamine group

(N = 48)

88.98 ± 4.41

83.10 ± 4.17

89.98 ± 3.56

90.52 ± 4.23

88.24 ± 4.68

90.86 ± 4.43

Control group

(N = 48)

89.84 ± 4.56

73.14 ± 3.87

82.96 ± 3.55

82.85 ± 4.68

84.22 ± 4.64

82.83 ± 4.42

P

0.34

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 < 0.001